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Association of the PRNP regulatory region polymorphisms with the occurrence of sporadic Creutzfeldt-Jakob disease.
MedLine Citation:
PMID:  22505365     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The prion protein (PrP) plays a central role in the pathogenesis of Creutzfeldt-Jakob disease and other transmissible spongiform encephalopathies (TSEs). Mutations in the coding region of the prion protein (PRNP) gene are linked to inherited forms of TSEs whereas aetiology of sporadic CJD (sCJD) remains obscure. It remains unclear whether the primary DNA sequence at non-coding region of PRNP gene influences development of the sCJD. Several recent reports showed non-coding region polymorphisms associated with sCJD but other could not support those findings. To test the hypothesis that there is a relationship between SNPs polymorphisms of PRNP non-coding regions and susceptibility to sCJD, we compared the primary structure of the regulatory region of the PRNP in 45 Dutch sCJD patients and in 135 healthy controls. We found a significant linkage of +310 C allele (OR 0.27, 95% CI 0.09-0.77; P = 0.009) and +310G/C genotype (OR 0.33, 95% CI 0.11-0.98; P = 0.048) with sCJD. No differences in frequencies of genotypes and allele of -101C/G and +258 G/A polymorphisms were found between sCJD patients and controls. We found two haplotypes protecting from sCJD (C-V in block 1 and G-C in block 2) and one susceptible haplotype for sCJD (G-G in block 2). Our findings support the hypothesis that polymorphism in the regulatory region of the PRNP gene may play an important role in the pathogenesis of sCJD.
Authors:
Jolanta Bratosiewicz-Wąsik; Joanna Smoleń-Dzirba; Cezary Watała; Annemieke J Rozemuller; Casper Jansen; Wim Spliet; Gerard H Jansen; Tomasz J Wąsik; Paweł P Liberski
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Folia neuropathologica / Association of Polish Neuropathologists and Medical Research Centre, Polish Academy of Sciences     Volume:  50     ISSN:  1509-572X     ISO Abbreviation:  Folia Neuropathol     Publication Date:  2012  
Date Detail:
Created Date:  2012-04-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9437431     Medline TA:  Folia Neuropathol     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  68-73     Citation Subset:  IM    
Affiliation:
Jolanta Bratosiewicz-Wąsik, ul. Narcyzów 1, 41-200 Sosnowiec, Poland, phone: +48 32 364 1013, fax: +48 32 364 1502, e-mail: jbrat@sum.edu.pl.
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